Display screen or portion thereof with graphical user interface



The FIGURE is a front view of a display screen or portion thereof with graphical user interface.

The broken lines showing an electronic device are included to illustrate environmental structure; the broken line portions of the graphical user interface are included to illustrate portions of the article; all broken lines form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 